Messages in this thread | | | Date | Tue, 27 Oct 2020 10:47:51 +0800 | From | kernel test robot <> | Subject | [rcu:rcu/test 76/76] kernel/rcu/rcutorture.c:531:1: error: use of undeclared identifier '___srcu_struct_ptrs' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/test head: 784a6343c3660446ae62db13628b20e9f876100f commit: 784a6343c3660446ae62db13628b20e9f876100f [76/76] Merge commit '3650b22' into rcu/test config: x86_64-randconfig-a001-20201026 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project f2c25c70791de95d2466e09b5b58fc37f6ccd7a4) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=784a6343c3660446ae62db13628b20e9f876100f git remote add rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git git fetch --no-tags rcu rcu/test git checkout 784a6343c3660446ae62db13628b20e9f876100f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> kernel/rcu/rcutorture.c:531:1: error: use of undeclared identifier '___srcu_struct_ptrs' DEFINE_STATIC_SRCU(srcu_ctl); ^ include/linux/srcutree.h:135:34: note: expanded from macro 'DEFINE_STATIC_SRCU' #define DEFINE_STATIC_SRCU(name) __DEFINE_SRCU(name, static) ^ include/linux/srcutree.h:127:13: note: expanded from macro '__DEFINE_SRCU' __section(___srcu_struct_ptrs) = &name ^ kernel/rcu/rcutorture.c:1507:13: warning: no previous prototype for function 'rcu_nocb_cpu_offload' [-Wmissing-prototypes] void __weak rcu_nocb_cpu_offload(int cpu) {} ^ kernel/rcu/rcutorture.c:1507:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __weak rcu_nocb_cpu_offload(int cpu) {} ^ static kernel/rcu/rcutorture.c:1508:13: warning: no previous prototype for function 'rcu_nocb_cpu_deoffload' [-Wmissing-prototypes] void __weak rcu_nocb_cpu_deoffload(int cpu) {} ^ kernel/rcu/rcutorture.c:1508:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __weak rcu_nocb_cpu_deoffload(int cpu) {} ^ static 2 warnings and 1 error generated. -- >> kernel/rcu/refscale.c:162:1: error: use of undeclared identifier '___srcu_struct_ptrs' DEFINE_STATIC_SRCU(srcu_refctl_scale); ^ include/linux/srcutree.h:135:34: note: expanded from macro 'DEFINE_STATIC_SRCU' #define DEFINE_STATIC_SRCU(name) __DEFINE_SRCU(name, static) ^ include/linux/srcutree.h:127:13: note: expanded from macro '__DEFINE_SRCU' __section(___srcu_struct_ptrs) = &name ^ 1 error generated. -- >> drivers/dax/super.c:21:1: error: use of undeclared identifier '___srcu_struct_ptrs' DEFINE_STATIC_SRCU(dax_srcu); ^ include/linux/srcutree.h:135:34: note: expanded from macro 'DEFINE_STATIC_SRCU' #define DEFINE_STATIC_SRCU(name) __DEFINE_SRCU(name, static) ^ include/linux/srcutree.h:127:13: note: expanded from macro '__DEFINE_SRCU' __section(___srcu_struct_ptrs) = &name ^ drivers/dax/super.c:70:6: warning: no previous prototype for function '__generic_fsdax_supported' [-Wmissing-prototypes] bool __generic_fsdax_supported(struct dax_device *dax_dev, ^ drivers/dax/super.c:70:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool __generic_fsdax_supported(struct dax_device *dax_dev, ^ static drivers/dax/super.c:168:6: warning: no previous prototype for function '__bdev_dax_supported' [-Wmissing-prototypes] bool __bdev_dax_supported(struct block_device *bdev, int blocksize) ^ drivers/dax/super.c:168:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool __bdev_dax_supported(struct block_device *bdev, int blocksize) ^ static drivers/dax/super.c:452:6: warning: no previous prototype for function 'run_dax' [-Wmissing-prototypes] void run_dax(struct dax_device *dax_dev) ^ drivers/dax/super.c:452:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void run_dax(struct dax_device *dax_dev) ^ static 3 warnings and 1 error generated.
vim +/___srcu_struct_ptrs +531 kernel/rcu/rcutorture.c
ff20e251c409da kernel/rcu/rcutorture.c Paul E. McKenney 2014-02-06 526 b2896d2e75c87e kernel/rcutorture.c Paul E. McKenney 2006-10-04 527 /* b2896d2e75c87e kernel/rcutorture.c Paul E. McKenney 2006-10-04 528 * Definitions for srcu torture testing. b2896d2e75c87e kernel/rcutorture.c Paul E. McKenney 2006-10-04 529 */ b2896d2e75c87e kernel/rcutorture.c Paul E. McKenney 2006-10-04 530 cda4dc813071e6 kernel/rcutorture.c Lai Jiangshan 2012-10-13 @531 DEFINE_STATIC_SRCU(srcu_ctl); ca1d51ed9809a9 kernel/rcu/rcutorture.c Paul E. McKenney 2015-04-14 532 static struct srcu_struct srcu_ctld; ca1d51ed9809a9 kernel/rcu/rcutorture.c Paul E. McKenney 2015-04-14 533 static struct srcu_struct *srcu_ctlp = &srcu_ctl; b2896d2e75c87e kernel/rcutorture.c Paul E. McKenney 2006-10-04 534
:::::: The code at line 531 was first introduced by commit :::::: cda4dc813071e6cb04944c5a140610bd06acd295 rcutorture: Use DEFINE_STATIC_SRCU()
:::::: TO: Lai Jiangshan <laijs@cn.fujitsu.com> :::::: CC: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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